<template>
    <div class="icons">
      <swiper :options = "swiperOption">
        <swiper-slide v-for="(page, index) of pages" :key="index" >
          <div class="icon"
               v-for="item of page"
               :key="item.id"
          >
            <div class="icon-img">
            <img class="icon-img-content" :src='item.imgUrl'>
            </div>
            <p class="icon-desc">{{item.desc}}</p>
          </div>
        </swiper-slide>
      </swiper>
    </div>
</template>

<script>
export default {
  name: 'HomeIcons',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        autoplay: false
      }
    }
  },
  computed: {
    pages () {
      const pages = []
      this.list.forEach((item, index) => {
        const page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(item)
      })
      return pages
    }
  }
}
</script>

<style lang="stylus" scoped>
@import '~@/assets/styles/varibles.styl'
@import '~@/assets/styles/mixins.styl'
  .icons >>> .swiper-container //swiper-container 自带overflow hidden
    // overflow hidden
    height 0
    padding-bottom 50%
  .icons
    margin-top 10px
    .icon
      position relative
      overflow hidden
      float left
      width 25%
      height 0
      padding-bottom 25%
      .icon-img
        position absolute
        top 0
        left 0
        right 0
        bottom 22px
        box-sizing border-box
        padding 1px
        .icon-img-content
          display black
          margin 0 11px
          height 100%
    .icon-desc
      position absolute
      left 0
      right 0
      bottom 0
      height 22px
      line-height 22px
      text-align center
      color $darkTextColor
      ellipsis()
</style>
